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WO2017188861A1 - Fil de renfort composite, pré-imprégné, film pour impression 3d et installation pour leur fabrication - Google Patents

Fil de renfort composite, pré-imprégné, film pour impression 3d et installation pour leur fabrication Download PDF

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Publication number
WO2017188861A1
WO2017188861A1 PCT/RU2017/050018 RU2017050018W WO2017188861A1 WO 2017188861 A1 WO2017188861 A1 WO 2017188861A1 RU 2017050018 W RU2017050018 W RU 2017050018W WO 2017188861 A1 WO2017188861 A1 WO 2017188861A1
Authority
WO
WIPO (PCT)
Prior art keywords
roving
prepreg
binder
thread
thermosetting binder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/RU2017/050018
Other languages
English (en)
Russian (ru)
Inventor
Андрей Валерьевич АЗАРОВ
Валерий Витальевич ВАСИЛЬЕВ
Александр Федорович РАЗИН
Владимир Алексеевич САЛОВ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anisoprint LLC
Original Assignee
Anisoprint LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anisoprint LLC filed Critical Anisoprint LLC
Priority to JP2018555715A priority Critical patent/JP7152017B2/ja
Priority to US16/096,541 priority patent/US20200283591A1/en
Priority to EP17790004.0A priority patent/EP3450486A4/fr
Priority to CN201780026340.3A priority patent/CN109071855A/zh
Publication of WO2017188861A1 publication Critical patent/WO2017188861A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D29/00—Producing belts or bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/02—Layered products comprising a layer of synthetic resin in the form of fibres or filaments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C08J5/248—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs using pre-treated fibres
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/22—Thermoplastic resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/24—Thermosetting resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2400/00—Characterised by the use of unspecified polymers
    • C08J2400/22—Thermoplastic resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/06—Reinforcing macromolecular compounds with loose or coherent fibrous material using pretreated fibrous materials
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/18—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from other substances

Definitions

  • the technical field to which the invention relates The invention relates.
  • the invention relates to the field of composite materials and can be used for the manufacture of parts and structures made of composite materials, such as brackets, fittings, housing elements, wearable products, mesh and honeycomb structures for use in aviation, aerospace and space technology, medicine, automotive, etc.
  • prepregs are widely used in the technique, which are a bundle, tape or fabric of reinforcing fibers impregnated with a binder.
  • the prepreg is cut and laid on technological equipment, forming the product.
  • thermoset binders for example, epoxy.
  • the manufacturing process of the prepreg consists in impregnating the reinforcing material with a thermosetting binder, followed by drying, during which the binder is partially cured.
  • thermosetting binder Various prepregs are known containing a thermosetting binder and methods for the manufacture of such prepregs (for example, [1] RF patent N ° 2321606, IPC C08J5 / 24, B32B27 / 04, publ. 10.04.2008; [2] US application N ° 2012251823, IPC B29C41 / 26, published 04.10.2012), including the supply of a carbon tow from creel to the distribution comb and then to the first bath for the first impregnation with a solution of 5% concentration of epoxy binder. The impregnated filler enters the device for drying with infrared radiation to remove the solvent of the alcohol-acetone mixture.
  • the dried tow is fed to a folding rotary device and then to a second impregnation in a second bath with the same epoxy binder of 49% concentration.
  • the impregnated filler is laid on a release liner and enters the horizontal drying chamber. At the same time, the drying temperature the impregnated filler is reduced with respect to the gelatinization temperature of the binder.
  • thermosetting binder prepregs are usually stored in freezers at temperatures below minus 18 ° C.
  • thermoset binders have common disadvantages of composite materials manufactured using thermoset binders.
  • Composites based on thermosetting binders require a long polymerization process when processed into a product.
  • the polymerized thermosetting binder is characterized by low deformability, causing the brittle nature of the destruction of the matrix of the composite material.
  • microcracks are formed in it, parallel to the fibers.
  • the appearance of these microcracks causes a number of adverse consequences, including leakage, the appearance and accumulation of residual deformations during dynamic loading of composite structures.
  • the fragility of the matrix leads to delamination of the composite even with a slight impact, which causes an unpredictable decrease in the compressive strength of the material.
  • thermosetting binder In addition, prepregs on a thermosetting binder require a long polymerization process when processed into an article.
  • thermoplastic prepregs with a number of advantages.
  • Technological advantages include the unlimited viability of the prepreg during storage under normal conditions, the reduction in manufacturing time due to the absence of a long polymerization process of the thermoset matrix, the possibility of forming the material in a heated state and its secondary processing.
  • the main structural advantages of thermoplastic matrix composites are associated with high (about 100%) deformability of thermoplastics and the viscous nature of their destruction.
  • composites with a thermoplastic matrix exceed composites with epoxy more than 6 times the matrix, and more than 2 times the compressive strength after impact (see [3] Handbook of Composites. Second Edition. Edited by ST. Peters. London, Chapman and Hall, 1998).
  • thermoplastics are associated with great technical difficulties caused by the extremely high melt viscosity, which does not allow high-quality impregnation of tapes consisting of tens of thousands of elementary fibers with a diameter of about 5 (see [4] G. Golovkin, Combination of fibrous fillers with thermoplastic binders (review). Plastics. 1984. N ° 12. S. 23-26).
  • a relatively uniform distribution of a high molecular weight thermoplastic over the cross section of a reinforcing tape requires a relatively high temperature and a long time, as well as high pressure (measured in tens of atmospheres), which can damage the fibers and produce a material with an uneven internal structure, which reduces the mechanical characteristics of the material.
  • thermosetting matrix composites with a thermosetting matrix are known, their disadvantages are a long curing cycle, a short storage time and special storage conditions for the starting materials (prepregs), low deformability of the matrix, and accordingly, low resistance to shock loads.
  • composites with a thermoplastic matrix that solve almost all the problems described above (no curing is required, long shelf life of materials without special conditions, high resistance to impacts), but have a significant drawback - the thermoplastic melt is very viscous and cannot penetrate beam of thin fibers without high pressures. This makes the manufacturing technology of thermoplastic composite parts expensive and complex. Therefore, parts with a thermoplastic matrix, despite all the advantages, are rarely used at present.
  • thermoset binder In order to avoid the difficulties associated with impregnating the fiber bundle with thermoplastic and taking advantage of the thermoplastic matrix, a two-matrix material can be used in which the fiber bundles are impregnated with a low viscosity thermoset binder and bonded with a thermoset binder containing thermoplastic (see [5] RF patent N ° 2550897, IPC C08J5 / 24, B32VZZ / 00, publ. 05.20.2015).
  • This patent describes a curable prepreg, including a fiber layer and a first outer layer of thermosetting resin, wherein the resin layer includes thermoplastic particles and glassy carbon particles.
  • the present invention relates to a curable prepreg, and in the description of the invention it is described that "After manufacture, the prepreg block is cured by elevated temperature and optionally elevated pressure to obtain a cured laminate.”
  • the “prepreg block” described in this patent is a finished product.
  • this prepreg retains the main disadvantage of other known prepregs based on a thermosetting matrix - when it is processed into a product, a lengthy curing process is required.
  • the introduction of thermoplastic particles into the matrix increases the impact resistance of the material to a small extent compared to composites based on a thermoplastic matrix.
  • thermosetting binder contains a fully cured thermosetting matrix and therefore all of them require curing during processing into a product.
  • the problem solved by the claimed invention is the manufacture of products from composite materials with high weight efficiency. For this, it is necessary to achieve high deformability characteristics of the matrix of the composite material simultaneously with high physical and mechanical characteristics of the material along the fibers.
  • the technical result of the invention is to reduce the complexity of manufacturing parts with a thermoplastic matrix, which leads to a significant reduction in the cost of manufacturing parts with a thermoplastic matrix (at times), to reduce the duration of manufacture of the product due to the absence of the need for long-term polymerization of the binder, increase the shelf life of the starting materials (prepreg) and in increasing the efficiency of manufacturing products from composite materials.
  • the technical result is achieved due to the composite reinforcing thread with a cross-section in the form of a circle with a diameter of 0, 1 -0.7 mm or an ellipse with ellipticity from 1 to 2 and a largest diameter of 0, 1-0.7 mm, containing roving of reinforcing fibers impregnated with a thermosetting binder, which is subjected to heat treatment until the thermosetting binder is completely cured.
  • Roving additionally contains functional fibers made in the form of optical and / or electrically conductive fibers.
  • Reinforcing fibers are made in the form of carbon and / or glass and / or aramid and / or basalt and / or boric and / or metal.
  • the thermosetting binder is made in the form of polyester, phenol-formaldehyde, urethane, epoxy, organosilicon, polyimide or bismaleoid resins.
  • the specified technical result is also achieved due to the prepreg containing a composite reinforcing thread coated with a thermoplastic binder, while the composite reinforcing thread has a cross-section in the form of a circle with a diameter of 0, 1 -0.7 mm or an ellipse with an ellipticity from 1 to 2 and a maximum diameter of 0 , 1-0.7 mm and is made of roving of reinforcing fibers impregnated with a thermosetting binder, while the impregnated roving is subjected to heat treatment until the thermosetting binder is completely cured, and this is a thermoplastic binder e is applied to the cured thermosetting binder.
  • Roving additionally contains functional fibers made in the form of optical and / or electrically conductive fibers.
  • Reinforcing fibers are made in the form of carbon and / or glass and / or aramid and / or basalt and / or boric and / or metal.
  • the thermosetting binder is made in the form of polyester, phenol-aldehyde, urethane, epoxy, organosilicon, polyimide or bismaleoid resins.
  • thermoplastic binder is polyethylene, polylactide, polycarbonate, polyimide, polyetheretherketone, polyacetal, polyphenylene sulfide, polysulfone, polyetherimide, polypropylene, polyformaldehyde, polyamide, polystyrene, polyethylene terephthalate or their copolymers.
  • a tape may also be made containing composite reinforcing threads or containing prepregs described above, wherein the threads or prepregs are interconnected by bridges of thermoplastic material.
  • the technical result is achieved in the installation for the manufacture of composite reinforcing threads containing creel, on which is installed at least one coil with a roving of reinforcing fibers or reinforcing and functional fibers, an impregnating device that impregnates a roving with a thermosetting binder, two heat treatment chambers, for complete curing of the thermosetting binder, the temperature in the first chamber is 70-130 ° C, in the second chamber 160-400 ° C, the finished thread receiving unit, on which at least one receiving coil is mounted, driven by a drive that allows the roving to be pulled through all the elements of the installation.
  • the technical result is also achieved in the installation for the manufacture of a prepreg containing creel, on which at least one coil with a roving of reinforcing fibers or reinforcing and functional fibers, an impregnating device that impregnates the roving with a thermosetting binder, two heat treatment chambers for complete curing is installed thermosetting binder, the temperature in the first chamber is 70-130 ° C, in the second chamber 160-400 ° C, a device for applying a thermoplastic coating to the impregnated thermoset ive binder and fully cured roving, a unit for receiving the finished prepreg, on which at least one receiving coil is mounted, driven by a drive that allows the roving to be pulled through all the elements of the installation.
  • the technical result is achieved in the installation for the manufacture of the tape, containing creel, on which is installed at least one coil with a roving of reinforcing fibers or reinforcing and functional fibers, an impregnating device that impregnates the roving with a thermosetting binder, two heat treatment chambers, complete curing of the thermosetting binder, the temperature in the first chamber is 70-130 ° C, in the second chamber - 160-400 ° C, a device for applying a thermoplastic coating on impregnated thermoset a clear binder and fully cured roving, a device for forming a tape from cured rovings, bonding them with jumpers from thermoplastic material, a finished tape receiving unit, on which at least one receiving coil is mounted, driven by a drive that allows the roving to be pulled through all installation elements.
  • FIG. 2 Micrograph of a composite reinforcing thread
  • FIG. 3 is a sectional view of a prepreg containing a composite reinforcing thread.
  • FIG. 4 Section of the prepreg ribbon
  • FIG. 5 Installation diagram for the manufacture of yarn and / or prepreg
  • FIG. 6 Section of a composite material obtained from a prepreg
  • Composite reinforcing thread (Fig. 1) is a roving of fibers, impregnated with a matrix material 1 and cured. Roving may contain reinforcing fibers 2, such as carbon, glass, aramid, basalt, boric, metallic, as well as functional fibers 3, such as optical and electrically conductive, for example, copper.
  • the tow may contain a different number of fibers, for example, 2, 100, 1000, 3000, 6000, and so on.
  • the matrix material 1 which is impregnated, is a thermosetting binder based on phenol-formaldehyde, polyester, epoxy and urea, organosilicon, polyimide, bismaleoid and other binders, or a mixture of a thermosetting binder with a thermoplastic binder.
  • Reactoplastics have good technological properties, in particular, low viscosity and good adhesion to all types of reinforcing fibers currently used, which ensures high-quality impregnation of a bundle of reinforcing fibers with a matrix with no pores and voids and, therefore, the joint work of the fiber and matrix.
  • roving is impregnated with a binder so that the volume fraction of the binder accounted for 20-40%.
  • the volume fractions of fibers and matrix material may have a ratio of 60%: 40%, 70%: 30%, 80%: 20%, or another.
  • the roving is subjected to heat treatment until the matrix material is completely cured.
  • the temperature regime and the duration of curing depend on the specific type and brand of matrix material.
  • the cross-sectional thread has the shape of a circle with a diameter of 0, 1-0.7 mm or an ellipse with an ellipticity of 1 to 2 and a largest diameter of 0, 1-0.7 mm.
  • the indicated thread sizes are associated with the following.
  • Coated yarn - prepreg is a composite roving 4, which has been described previously (Fig. 1), which, after curing, is covered with thermoplastic material 5, such as acrylonitrile butadiene styrene (ABS), polylactide (PLA), polyamide (PA), polyetherimide (PEI), polyacetal, polyetheretherketone (PEEK), polycarbonate (PC), polysulfone (PS), polyphenylene sulfide (PPS), polyethylene terephthalate (PET) or other thermoplastics.
  • Coating 5 serves to ensure a minimum volume fraction of thermoplastic in the manufacturing process of the part and can be 20-60% of the total volume of the prepreg, for example, 20% or 30%.
  • a tape of yarn or prepreg is a tape consisting of a series of composite yarns or rovings 6 connected to each other by thermoplastic 7, such as acrylonitrile butadiene styrene (ABS), polylactide (PLA), polyamide (PA), polyetherimide (PEI), polyacetal, polyetheretherketone (PEEK), polycarbonate (PC), polysulfone (PS), polyphenylene sulfide (PPS), polyethylene terephthalate (PET) or other thermoplastics.
  • the volume fraction of thermoplastics 7 can be 20-60% of the total volume of the prepreg, for example, 20% or 30%.
  • the yarn or prepreg is fabricated using the apparatus, a diagram of which is shown in FIG. 4.
  • the installation consists of the following main components: creel 9, impregnating device 10, one or more chambers for heat treatment (15, 17), a lay-out 20, a unit for receiving the finished prepreg 21 with one or more premium coils and a drive 22.
  • One or more coils with initial roving 8 are installed in the creel crest.
  • crepes can be provided in creel crepes using axial spring braking or electric motors.
  • the number of coils with initial roving depends on the number of rovings impregnated at the same time in the case of preparing a prepreg roving or on the width of the tape in the case of making a prepreg ribbon.
  • the impregnation device may have a different design.
  • it can be a system consisting of an impregnating roller 1 1 driven by a motor 12, the lower edge of which is immersed in a bath 13 filled with a binder.
  • the bath with a binder is removable and has a heating device with temperature control and adjustment.
  • a scraper is provided for removing excess binder from the impregnating roller 14.
  • the amount of binder on the roller is controlled by the amount of clearance between the scraper and the roller.
  • Dry roving 8, passing along the upper surface of the impregnating roller 1 1, is impregnated with a binder.
  • the design of the impregnating device may differ from that described depending on what type of thermosetting binder is used for impregnation.
  • the roving After impregnation, the roving enters the heat treatment chambers (15, 17).
  • the chambers can be divided into zones with different temperatures so that the thermosetting binder is completely cured.
  • the vertical arrangement of the chambers is preferred to ensure uniform distribution of the binder within the roving.
  • Heating can be carried out using heaters located inside the chamber or by supplying heated air to the chamber.
  • the roaming speed of the chambers and, accordingly, the time spent in them, and the temperature in the chambers depend on the types of fiber and thermosetting binder.
  • the temperature in the first chamber 15 is 90 ° C, in the second chamber 17 - 160-200 ° C, the total residence time of the roving in the chambers is 5-10 minutes.
  • the turning of the roving is carried out using the turning unit 16.
  • the temperature in the first chamber is 70-130 ° C, in the second chamber - 160-400 ° C.
  • thermosetting binder In the process of manufacturing a composite reinforcing thread, a thermosetting binder goes through three stages:
  • Stage A the starting polymerization products are mixed and ready to react when heated. Without heating, the reaction also proceeds, but very slowly. As a rule, the mixture is dissolved in solvents that slow down the interaction of the starting products. In this state, binders are stored. At this stage, roving is impregnated with a binder.
  • Stage B solvents were removed from the initial mixture, the products entered into the polymerization reaction, but it is only in the initial stage. At this stage, the ingredients of the binder are able to dissolve, melt, form. Without a solvent, they are dry products, do not stick together and can be stored and transported for a sufficiently long time under appropriate conditions. It is at this stage that the production of previously known prepregs is completed. Prepregs of this particular stage are traditionally used as an integral part in the production of composite parts. To complete the polymerization of the binders, they must be heated to a certain temperature, called the gelation temperature.
  • Stage C the polymerization reactions are completed, and the binder is no longer able to melt and dissolve in solvents, at normal temperatures it is a solid, monolithic glassy substance, unable to change shape.
  • the resin is part of the finished composite reinforcing thread.
  • the unit is intended for the production of prepregs with a coating, it should be equipped with a device for applying thermoplastics.
  • the design is a heated and thermostatically controlled chamber containing a melt of thermoplastic polymer with a temperature range of 50 ° to 400 ° C.
  • a calibrating die is installed in the lower output part of the cylinder, which determines the amount of thermoplastic applied to the fiber surface.
  • the thermoplastic is fed into the chamber by means of rollers, if the thermoplast is in the form of a thread or a screw, if the thermoplastic is in the form of powder or granules.
  • the device for applying thermoplastic 17 should also form a tape from rovings, for example, using a rectangular die.
  • the finished prepreg cools, passes around the receiving drum 19 and enters the receiving unit of the finished prepreg 21, where it is wound on the receiving coil.
  • the number of receiving coils corresponds to the number of rovings / tapes manufactured simultaneously.
  • the receiving coils are fixed to the shaft driven by the traction motor 22 at a controlled speed. Laying the prepreg in the working volume of the coil is carried out using a spreader 20, working synchronously with the drive shaft.
  • the prepreg is heated to a temperature exceeding the processing temperature of the thermoplastic matrix 24 and the glass transition temperature of the thermoset matrix of the composite rovings 23 and laid out on the mandrel, forming the product.
  • the thermoplastic melt solidifies, and the composite rovings, cooling, again become rigid, forming a layer of reinforced material with high mechanical characteristics. It is essential that the matrix material of the composite fiber does not melt, but only softens, and the fibers of the reinforcing rope located inside the fiber retain their location, which makes the arrangement of the fibers more regular, increasing the physicomechanical characteristics of the material.
  • the described composite reinforcing thread and prepregs can be used for the manufacture of composite parts with a thermoplastic matrix. If in the manufacture of a composite material with a thermoplastic matrix, we replace traditional bundles with the described composite reinforcing thread, which is previously impregnated with a thermosetting binder and completely cured, then, because the thread has a large diameter, it is easily completely wetted by thermoplastic and allows you to get a composite part with a thermoplastic matrix without the use of significant pressures and complex technological equipment. Particularly useful are inventions for use in additive manufacturing processes of parts from composite materials, such as ZD printing.
  • microextruders are used, in which plastic is under low pressure and is unable to impregnate roving from reinforcing fibers.
  • the complexity of manufacturing parts with a thermoplastic matrix is reduced, which leads to a significant reduction in costs (at times) for the manufacture of parts with a thermoplastic matrix, due to the fact that various presses are not required, energy costs, etc. are reduced.
  • the parts obtained have all the advantages of parts with a thermoplastic matrix - they do not need to be cured, they are highly resistant to impacts, and the starting materials have unlimited viability under normal conditions.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
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  • Toxicology (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Reinforced Plastic Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

L'invention se rapporte au domaine des matériaux composites et peut être utilisée pour la production de pièces et de structures que l'on utilise en aéronautique, dans les techniques des fusées spatiales, en médecine, dans la construction automobile, etc. Ce fil de renfort composite comprend un stratifil fait de fibres de renfort imprégnées d'un liant thermoréactif, avec une section transversale en forme de cercle d'un diamètre de 0,1-0,7 mm ou d'une ellipse de 1 à 2 et d'un diamètre maximal de 0,1-0,7 mm. Le stratifil imprégné est soumis à un traitement thermique jusqu'au durcissement complet du liant thermoréactif. On obtient à partir du fil un pré-imprégné lors de l'ajout du liant thermoréactif. Le film est obtenu en reliant le fil et le pré-imprégné à l'aide d'un pont fait d'un matériau thermoplastique. Le fil est produit dans une installation comprenant un dévidoir sur lequel est disposé une bobine avec un stratifil en fibres de renfort piu des fibres de renfort fonctionnelles, un dispositif d'imprégnation, deux chambres de traitement thermique, une utiné de réception du fil fini, et une bobine de réception. La température dans la première chambre est de 70-130°С, et de 160-400°С dans la seconde. Afin de produire le pré-imprégné,on ajoute à l'installation un dispositif d'application de revêtement thermoplastique sur un stratifil imprégné de liant thermo-réactif et complètement durci. Cette invention permet de diminuer la complexité de fabrication de pièces comprenant une matrice thermoplastique, ainsi que la durée de fabrication de l'article, d'améliorer la durée de conservation du pré-imprégné initial et d'augmenter l'efficacité de fabrication d'articles en matériaux composites.
PCT/RU2017/050018 2016-04-26 2017-03-28 Fil de renfort composite, pré-imprégné, film pour impression 3d et installation pour leur fabrication Ceased WO2017188861A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2018555715A JP7152017B2 (ja) 2016-04-26 2017-03-28 強化用複合スレッド、プリプレグ、３ｄ印刷用テープ及びそれを調製するための設備
US16/096,541 US20200283591A1 (en) 2016-04-26 2017-03-28 Reinforcing composite filament, prepreg, 3-d printing tape and machines for their production
EP17790004.0A EP3450486A4 (fr) 2016-04-26 2017-03-28 Fil de renfort composite, pré-imprégné, film pour impression 3d et installation pour leur fabrication
CN201780026340.3A CN109071855A (zh) 2016-04-26 2017-03-28 用于3d打印的复合增强丝、预浸材料、带以及其制备装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2016116328 2016-04-26
RU2016116328A RU2640553C2 (ru) 2016-04-26 2016-04-26 Композитная армирующая нить, препрег, лента для 3D печати и установки для их изготовления

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WO2017188861A1 true WO2017188861A1 (fr) 2017-11-02

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PCT/RU2017/050018 Ceased WO2017188861A1 (fr) 2016-04-26 2017-03-28 Fil de renfort composite, pré-imprégné, film pour impression 3d et installation pour leur fabrication

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US (1) US20200283591A1 (fr)
EP (1) EP3450486A4 (fr)
JP (1) JP7152017B2 (fr)
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LU501121B1 (en) 2021-12-29 2023-06-29 Luxembourg Inst Science & Tech List Method for manufacturing a composite filament and use thereof
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CN111390107B (zh) * 2020-04-16 2021-10-29 杭州喜马拉雅信息科技有限公司 一种旋转式异孔径喷嘴的砂模打印方法
CN112877950A (zh) * 2021-01-12 2021-06-01 中国科学院苏州纳米技术与纳米仿生研究所南昌研究院 一种长丝碳纤维3d打印线材的制备系统及方法
CN113387606B (zh) * 2021-07-01 2023-04-11 四川谦宜复合材料有限公司 3d打印用水泥基玄武岩纤维粒料及其制备、使用方法
EP4116697A1 (fr) * 2021-07-09 2023-01-11 Siemens Industry Software NV Procédé et système de génération d'une spécification de coupon de test pour prédire la durée de vie en fatigue d'un composant
CN113831629A (zh) * 2021-11-03 2021-12-24 中科华坤(北京)科技有限公司 一种高强度玄武岩纤维3d打印复合材料
IT202200006308A1 (it) 2022-03-30 2023-09-30 Spherecube S R L Procedimento per la produzione di un filamento in materiale composito e relativo impianto
KR20240170202A (ko) * 2023-05-26 2024-12-03 김기영 하이브리드 방식의 3d 프린터용 필라멘트 제조방법
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CN108102120A (zh) * 2017-12-11 2018-06-01 浙江工业大学 一种用于fdm 3d打印的连续碳纤维增强热塑性塑料细丝的制备方法
JP2020132782A (ja) * 2019-02-21 2020-08-31 ジャパンマテックス株式会社 プリプレグおよびその製造方法
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LU501120B1 (en) 2021-12-29 2023-06-29 Luxembourg Inst Science & Tech List Reinforced composite filament for an additive manufacturing application and method for manufacturing thereof
LU501119B1 (en) 2021-12-29 2023-06-29 Luxembourg Inst Science & Tech List Reinforced composite filament for an additive manufacturing application and method for manufacturing thereof
LU501121B1 (en) 2021-12-29 2023-06-29 Luxembourg Inst Science & Tech List Method for manufacturing a composite filament and use thereof
WO2023126391A1 (fr) 2021-12-29 2023-07-06 Luxembourg Institute Of Science And Technology (List) Filament composite renforcé pour application de fabrication additive et son procédé de fabrication
WO2023126392A1 (fr) 2021-12-29 2023-07-06 Luxembourg Institute Of Science And Technology (List) Procédé de fabrication d'un filament composite et son utilisation
WO2023126395A1 (fr) 2021-12-29 2023-07-06 Luxembourg Institute Of Science And Technology (List) Filament composite renforcé pour une application de fabrication additive et son procédé de fabrication
EP4286455A1 (fr) 2022-06-03 2023-12-06 Evonik Operations GmbH Filament continu renforcé par des fibres en matière thermoplastique destiné à être utilisé dans des processus de fabrication additive et procédé correspondant
WO2023232925A1 (fr) 2022-06-03 2023-12-07 Evonik Operations Gmbh Filament renforcé par des fibres continues constitué d'un matériau thermoplastique destiné à être utilisé dans un procédé de fabrication additive, et procédés correspondants
LU502631B1 (en) 2022-08-05 2024-02-07 Luxembourg Inst Science & Tech List Multilayer continuous fiber filament with a dually reactive matrix and method for manufacturing thereof
WO2024028489A1 (fr) 2022-08-05 2024-02-08 Luxembourg Institute Of Science And Technology (List) Filament de fibre continue multicouche à matrice réellement réactive et son procédé de fabrication

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RU2016116328A (ru) 2017-10-31
CN109071855A (zh) 2018-12-21
RU2640553C2 (ru) 2018-01-09
EP3450486A1 (fr) 2019-03-06
JP7152017B2 (ja) 2022-10-12
JP2019518101A (ja) 2019-06-27
US20200283591A1 (en) 2020-09-10

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